Merge pull request #519 from magento-east/pr-2.1

Fixed issues:
- MAGETWO-58090: [Magento Cloud] - Intermittent HTTP ERROR 500 during checkout 
- MAGETWO-59024: [Github] Ship To section on Checkout's Review & Payments step, clears out the Ship To address on page reload
- MAGETWO-55447: Portdown MAGETWO-54718 down to M2.1.x branch
- MAGETWO-55662: Portdown MAGETWO-51428 down to M2.1.x branch
- MAGETWO-59209: [Github] Minicart item count is not updated if switch from https to http #6487 
- MAGETWO-56964: [GitHub] Validate attribute values #4881

Author: MomotenkoNatalia

.htaccess

@@ -1,213 +1,43 @@
-############################################
-## overrides deployment configuration mode value
-## use command bin/magento deploy:mode:set to switch modes
-
-#   SetEnv MAGE_MODE developer
-
-############################################
-## uncomment these lines for CGI mode
-## make sure to specify the correct cgi php binary file name
-## it might be /cgi-bin/php-cgi
-
-#    Action php5-cgi /cgi-bin/php5-cgi
-#    AddHandler php5-cgi .php
-
-############################################
-## GoDaddy specific options
-
-#   Options -MultiViews
-
-## you might also need to add this line to php.ini
-##     cgi.fix_pathinfo = 1
-## if it still doesn't work, rename php.ini to php5.ini
-
-############################################
-## this line is specific for 1and1 hosting
-
-    #AddType x-mapp-php5 .php
-    #AddHandler x-mapp-php5 .php
-
-############################################
-## default index file
-
-    DirectoryIndex index.php
-
+# All explanations you could find in .htaccess.sample file
+DirectoryIndex index.php
 <IfModule mod_php5.c>
-
-############################################
-## adjust memory limit
-
     php_value memory_limit 768M
     php_value max_execution_time 18000
-
-############################################
-## disable automatic session start
-## before autoload was initialized
-
     php_flag session.auto_start off
-
-############################################
-## enable resulting html compression
-
-    #php_flag zlib.output_compression on
-
-###########################################
-## disable user agent verification to not break multiple image upload
-
     php_flag suhosin.session.cryptua off
-
 </IfModule>
-
 <IfModule mod_php7.c>
-
-############################################
-## adjust memory limit
-
     php_value memory_limit 768M
     php_value max_execution_time 18000
-
-############################################
-## disable automatic session start
-## before autoload was initialized
-
     php_flag session.auto_start off
-
-############################################
-## enable resulting html compression
-
-    #php_flag zlib.output_compression on
-
-###########################################
-## disable user agent verification to not break multiple image upload
-
     php_flag suhosin.session.cryptua off
-
 </IfModule>
-
 <IfModule mod_security.c>
-###########################################
-## disable POST processing to not break multiple image upload
-
     SecFilterEngine Off
     SecFilterScanPOST Off
 </IfModule>
-
-<IfModule mod_deflate.c>
-
-############################################
-## enable apache served files compression
-## http://developer.yahoo.com/performance/rules.html#gzip
-
-    # Insert filter on all content
-    ###SetOutputFilter DEFLATE
-    # Insert filter on selected content types only
-    #AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript application/x-javascript application/json image/svg+xml
-
-    # Netscape 4.x has some problems...
-    #BrowserMatch ^Mozilla/4 gzip-only-text/html
-
-    # Netscape 4.06-4.08 have some more problems
-    #BrowserMatch ^Mozilla/4\.0[678] no-gzip
-
-    # MSIE masquerades as Netscape, but it is fine
-    #BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
-
-    # Don't compress images
-    #SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
-
-    # Make sure proxies don't deliver the wrong content
-    #Header append Vary User-Agent env=!dont-vary
-
-</IfModule>
-
 <IfModule mod_ssl.c>
-
-############################################
-## make HTTPS env vars available for CGI mode
-
     SSLOptions StdEnvVars
-
 </IfModule>
-
-############################################
-## workaround for Apache 2.4.6 CentOS build when working via ProxyPassMatch with HHVM (or any other)
-## Please, set it on virtual host configuration level
-
-##    SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1
-############################################
-
 <IfModule mod_rewrite.c>
-
-############################################
-## enable rewrites
-
     Options +FollowSymLinks
     RewriteEngine on
-
-############################################
-## you can put here your magento root folder
-## path relative to web root
-
-    #RewriteBase /magento/
-
-############################################
-## workaround for HTTP authorization
-## in CGI environment
-
     RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
-
-############################################
-## TRACE and TRACK HTTP methods disabled to prevent XSS attacks
-
     RewriteCond %{REQUEST_METHOD} ^TRAC[EK]
     RewriteRule .* - [L,R=405]
-
-############################################
-## redirect for mobile user agents
-
-    #RewriteCond %{REQUEST_URI} !^/mobiledirectoryhere/.*$
-    #RewriteCond %{HTTP_USER_AGENT} "android|blackberry|ipad|iphone|ipod|iemobile|opera mobile|palmos|webos|googlebot-mobile" [NC]
-    #RewriteRule ^(.*)$ /mobiledirectoryhere/ [L,R=302]
-
-############################################
-## never rewrite for existing files, directories and links
-
     RewriteCond %{REQUEST_FILENAME} !-f
     RewriteCond %{REQUEST_FILENAME} !-d
     RewriteCond %{REQUEST_FILENAME} !-l
-
-############################################
-## rewrite everything else to index.php
-
     RewriteRule .* index.php [L]
-
 </IfModule>
-
-
-############################################
-## Prevent character encoding issues from server overrides
-## If you still have problems, use the second line instead
-
     AddDefaultCharset Off
-    #AddDefaultCharset UTF-8
     AddType 'text/html; charset=UTF-8' html
-
 <IfModule mod_expires.c>
-
-############################################
-## Add default Expires header
-## http://developer.yahoo.com/performance/rules.html#expires
-
     ExpiresDefault "access plus 1 year"
     ExpiresByType text/html A0
     ExpiresByType text/plain A0
-
 </IfModule>
-
-###########################################
-## Deny access to root files to hide sensitive application information
     RedirectMatch 403 /\.git
-
     <Files composer.json>
         order allow,deny
         deny from all
@@ -280,48 +110,11 @@
         order allow,deny
         deny from all
     </Files>
-
-# For 404s and 403s that aren't handled by the application, show plain 404 response
 ErrorDocument 404 /pub/errors/404.php
 ErrorDocument 403 /pub/errors/404.php
-
-################################
-## If running in cluster environment, uncomment this
-## http://developer.yahoo.com/performance/rules.html#etags
-
-    #FileETag none
-
-# ######################################################################
-# # INTERNET EXPLORER                                                  #
-# ######################################################################
-
-# ----------------------------------------------------------------------
-# | Document modes                                                     |
-# ----------------------------------------------------------------------
-
-# Force Internet Explorer 8/9/10 to render pages in the highest mode
-# available in the various cases when it may not.
-#
-# https://hsivonen.fi/doctype/#ie8
-#
-# (!) Starting with Internet Explorer 11, document modes are deprecated.
-# If your business still relies on older web apps and services that were
-# designed for older versions of Internet Explorer, you might want to
-# consider enabling `Enterprise Mode` throughout your company.
-#
-# https://msdn.microsoft.com/en-us/library/ie/bg182625.aspx#docmode
-# http://blogs.msdn.com/b/ie/archive/2014/04/02/stay-up-to-date-with-enterprise-mode-for-internet-explorer-11.aspx
-
 <IfModule mod_headers.c>
-
     Header set X-UA-Compatible "IE=edge"
-
-    # `mod_headers` cannot match based on the content-type, however,
-    # the `X-UA-Compatible` response header should be send only for
-    # HTML documents and not for the other resources.
-
     <FilesMatch "\.(appcache|atom|bbaw|bmp|crx|css|cur|eot|f4[abpv]|flv|geojson|gif|htc|ico|jpe?g|js|json(ld)?|m4[av]|manifest|map|mp4|oex|og[agv]|opus|otf|pdf|png|rdf|rss|safariextz|svgz?|swf|topojson|tt[cf]|txt|vcard|vcf|vtt|webapp|web[mp]|webmanifest|woff2?|xloc|xml|xpi)$">
         Header unset X-UA-Compatible
     </FilesMatch>
-
 </IfModule>

.htaccess.sample

@@ -30,10 +30,9 @@
 ############################################
 ## default index file
 
-    DirectoryIndex index.php
+DirectoryIndex index.php
 
 <IfModule mod_php5.c>
-
 ############################################
 ## adjust memory limit
 
@@ -55,11 +54,8 @@
 ## disable user agent verification to not break multiple image upload
 
     php_flag suhosin.session.cryptua off
-
 </IfModule>
-
 <IfModule mod_php7.c>
-
 ############################################
 ## adjust memory limit
 
@@ -81,9 +77,7 @@
 ## disable user agent verification to not break multiple image upload
 
     php_flag suhosin.session.cryptua off
-
 </IfModule>
-
 <IfModule mod_security.c>
 ###########################################
 ## disable POST processing to not break multiple image upload

.user.ini

@@ -0,0 +1,4 @@
+memory_limit = 768M
+max_execution_time = 18000
+session.auto_start = off
+suhosin.session.cryptua = off

app/code/Magento/Catalog/Block/Adminhtml/Product/Helper/Form/Gallery/Content.php

@@ -16,6 +16,7 @@
 use Magento\Backend\Block\Media\Uploader;
 use Magento\Framework\View\Element\AbstractBlock;
 use Magento\Framework\App\Filesystem\DirectoryList;
+use Magento\Framework\Exception\FileSystemException;
 
 class Content extends \Magento\Backend\Block\Widget
 {
@@ -34,6 +35,11 @@ class Content extends \Magento\Backend\Block\Widget
      */
     protected $_jsonEncoder;
 
+    /**
+     * @var \Magento\Catalog\Helper\Image
+     */
+    private $imageHelper;
+
     /**
      * @param \Magento\Backend\Block\Template\Context $context
      * @param \Magento\Framework\Json\EncoderInterface $jsonEncoder
@@ -128,12 +134,18 @@ public function getImagesJson()
             is_array($value['images']) &&
             count($value['images'])
         ) {
-            $directory = $this->_filesystem->getDirectoryRead(DirectoryList::MEDIA);
+            $mediaDir = $this->_filesystem->getDirectoryRead(DirectoryList::MEDIA);
             $images = $this->sortImagesByPosition($value['images']);
             foreach ($images as &$image) {
                 $image['url'] = $this->_mediaConfig->getMediaUrl($image['file']);
-                $fileHandler = $directory->stat($this->_mediaConfig->getMediaPath($image['file']));
-                $image['size'] = $fileHandler['size'];
+                try {
+                    $fileHandler = $mediaDir->stat($this->_mediaConfig->getMediaPath($image['file']));
+                    $image['size'] = $fileHandler['size'];
+                } catch (FileSystemException $e) {
+                    $image['url'] = $this->getImageHelper()->getDefaultPlaceholderUrl('small_image');
+                    $image['size'] = 0;
+                    $this->_logger->warning($e);
+                }
             }
             return $this->_jsonEncoder->encode($images);
         }
@@ -227,4 +239,17 @@ public function getImageTypesJson()
     {
         return $this->_jsonEncoder->encode($this->getImageTypes());
     }
+
+    /**
+     * @return \Magento\Catalog\Helper\Image
+     * @deprecated
+     */
+    private function getImageHelper()
+    {
+        if ($this->imageHelper === null) {
+            $this->imageHelper = \Magento\Framework\App\ObjectManager::getInstance()
+                ->get('Magento\Catalog\Helper\Image');
+        }
+        return $this->imageHelper;
+    }
 }